Portion of a golf club head



FIG. 1 is an elevational view of a portion of a golf club head showingour new design;

FIG. 2 is a heel end perspective view thereof;

FIG. 3 is a toe end perspective view thereof;

FIG. 4 is a toe end view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line representation of various features and the remainder ofthe golf club head forms no part of the claimed design.

The ornamental design for a portion of a golf club head, as shown anddescribed.